<template>
        <div class="mui-numbox" data-numbox-min='1' style="height:25px">
		    <button class="mui-btn mui-btn-numbox-minus" type="button">-</button>
			<input id="test" class="mui-input-numbox" type="number" :value="valuen" @change="countChanged" ref="numbox" readonly />
			<button class="mui-btn mui-btn-numbox-plus" type="button">+</button>
		</div>
</template>

<script>
import mui from "../../lib/mui/js/mui.min.js"

export default {
    mounted() {
        // 当用template模板引擎动态创建,需要初始化数字选择框组件
        mui(".mui-numbox").numbox();
    },
    methods: {
        countChanged() {
         
            // 每当数量值改变,则立即把最新的数量同步到 购物车的 store 中, 覆盖之前的数量值
            this.$store.commit("updateGoodsInfo",{
                id: this.goodsid,
                count: this.$refs.numbox.value
            })
            
        }
    },
    props:[ "valuen", "goodsid" ]
}
</script>

<style lang="scss" scoped>

</style>
